CN107010780A - A kind of purification method of urban rainwater and its hydraulic jump formula filter used - Google Patents
A kind of purification method of urban rainwater and its hydraulic jump formula filter used Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
Present invention mainly discloses a kind of purification method of urban rainwater and its hydraulic jump formula filter used, its technical scheme：Including rainwater-collecting, rainwater detection, precipitation process, acid-base value processing, Air Exposure, biological cleaning, essence filtering and storage, the hydraulic jump formula filter used includes the first cartridge filter and the second cartridge filter, water outlet is provided with test chamber, water body is detected by detection head to meet after urban water requirement, ability is by water body and is transported in water tank, and otherwise water body is re-delivered at the first cartridge filter and the second cartridge filter and filtered again.The present invention fully purifies rainwater-collecting, on the premise of city prevention waterlogging safety is ensured, collection, infiltration, purification and utilization of the rainwater in city scope are realized to greatest extent, it can effectively alleviate and reduce the pressure of urban waterlogging, purification efficiency is high, the Rainwater Quality after processing is effectively improved, promotes the utilization of rainwater resource, meets the requirement of sponge urban construction.
Description
Technical field
The present invention relates to a kind of purification method of urban rainwater and its hydraulic jump formula filter used.
Background technology
With the quickening of urbanization process, evaporation, under the serious of natural hydrology cyclic process such as ooze and be obstructed, extreme weather
Increase, the frequent generation of Storm Flood Disasters, causing multiple urban waterlogging, water environment pollution, rainwater resource, largely loss etc. is asked
Topic, in addition occur in that meet rain must flood situation, but level of ground water is but reduced year after year, and urban water shortage is extremely serious, many cities
The synchronous paces for keeping up with Development of Urbanization have been difficult to it with the water service in area.Nowadays people increasingly pay close attention to opening for water resource
Hair is with utilizing, and rainwater is as a kind of valuable water resource, if effectively collecting and utilizing, and will make huge tribute to saving the energy
Offer.Early-stage rainwater, as the term suggests rainwater when being exactly rainfall initial stage.Due to rainfall initial stage, rainwater has dissolved a large amount of in air
Behind the pollution gas such as sour gas, vehicle exhaust, plant gas, landing ground, and due to washing away roofing, bituminous concrete road
Road etc. so that contain substantial amounts of polluter in early stage rainwater, the pollution level of early stage rainwater is higher, or even beyond ordinary municipal
The pollution level of sewage.The storm-water system in current city mainly takes in line mode draining, drops to the rainwater on ground through rain
Water pipe it is in line enter river course, drainage pattern is single, will undoubtedly cause water resource pollution.At present, precipitation runoff pollution turns into ground
The one of the main reasons of table water environment pollution is easy to the recovery of rainwater and sharp again, it is necessary to artificially implement some method for treating water
With in order to slow down city rainwater flood and level of ground water decline, control rainwater runoff pollution, improve urban ecological environment etc..
Because China's atmosphere pollution situation is more serious, the rain and impurity being collected into is more, and contamination sources are complicated, existing rainwater purification dress
Put the obtained recycling water of processing and still there is the problem of water quality is too poor, it is impossible to meet the use of city system well, collect
Rainwater comprehensive utilization rate it is low, do not meet theory and the requirement of sponge urban construction and ecological environmental protection.
The content of the invention
It is an object of the invention to for prior art it is many it is not enough there is provided a kind of purification method of urban rainwater and its
The hydraulic jump formula filter used, this method fully purifies rainwater-collecting, on the premise of city prevention waterlogging safety is ensured, maximum limit
Collection, infiltration, purification and utilization of the rainwater in city scope are realized degree, can effectively alleviate and reduce the pressure of urban waterlogging
Power, purification efficiency is high, effectively improves the Rainwater Quality after processing, promotes the utilization of rainwater resource, meets sponge urban construction
It is required that.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of purification method of urban rainwater, comprises the following steps：
Step 1: rainwater-collecting
The early-stage rainwater dropped on ground enters funnel shaped rain trap along drainage trough and is collected, on rain trap
Filter screen first rainwater is tentatively filtered, the pricker removed in fallen leaves, the rubbish carried secretly in rainwater, rain trap again will
The particulate matter in rainwater after preliminary filtering is crushed, and then rainwater is flowed into receipts by rain trap along collection conduit
Collect in pond；
Step 2: rainwater is detected
Using device for fetching water, at least the rainwater of different azimuth and different height is detected everywhere in collection collecting pit；
Step 3: precipitation process
A, when detect the heavy metal ion in water body beyond standard when, open passage one, the rainwater in collecting pit is led to
Enter to heavy metal precipitation pond, rainwater is entered in heavy metal precipitation pond along interlaced hang plate, set on hang plate
Burr plays interception function to rainwater, then opens the first charging valve, metal-precipitator is added into heavy metal precipitation pond, simultaneously
The agitating device for starting heavy metal precipitation bottom of pond portion is stirred, and removes heavy metal formation precipitation, reduction heavy metal is to water body
The extent of injury；
B, when detect the suspended dust particle in rainwater beyond standard when, open passage two, by the rainwater in collecting pit
Dust sedimentation basin is passed into, corrugated adsorption plate of the rainwater of dust sedimentation basin first with dust sedimentation basin upper strata is entered and connects
Touch, the adsorbent on adsorption plate by suspended dust particle absorption in rainwater, and go to eliminate the unusual smell with it is heterochromatic, current then pass through adsorption plate
On discharge orifice enter the lower floor of dust sedimentation basin, the second charging valve of lower floor is then opened, by rotary nozzle to dust
The lower floor of sedimentation basin adds coagulant, and coagulant reacts with the suspension and colloidal impurity in water body, and the reaction time is 30min,
Sediment is formed to sink；
Step 4: acid-base value is handled
A, opening passage three, the water body handled by step 3 is passed into soda acid processing pond, measured by acidometer
The pH value of water body in soda acid processing pond；
If b, testing result are shown as acid, alkaline control valve is opened by control system, is passed through what is be adapted with rainwater
Alkaline agent, the alkaline agent of addition is Na2CO3、NaHCO3Or lime, then start agitator, while agitating shaft is moved up and down, from
And drive agitating paddle to stir after whole water layer, reaction 20min, water body is gathered again, is detected, if testing result still without up to
To standard, then above-mentioned steps are carried out again, until testing result meets standard；
If c, testing result are shown as alkalescence, acid control valve is opened by control system, according to the amount for the rainwater being passed through
The sour agent being adapted with rainwater is added, then starts agitator, while agitating shaft is moved up and down, so as to drive agitating paddle to stir
After whole water layer, reaction 20min, water body is gathered again, is detected, if testing result is entered again still without standard is reached
Row above-mentioned steps, until testing result meets standard；
Step 5: Air Exposure
A, the water body for handling process step 4 are passed into Air Exposure pond, are started air blower, are passed through aeration tube and exposure
Gas blowout head is passed through gas from top to bottom to water body, while aeration tube is moved also along the track for being laid on aeration tank bottom, expands
The scope of aeration；
B, the micro bubble releasing device release bubble of aeration tank bottom；
C, the mechanical impellor on aeration tank top are rotated, and the water body in agitation aeration tank makes the oxygen in air dissolve in water, promoted
Waste water in pond is constantly circulated, constantly update gas-liquid contact face to increase oxygen absorbed；
Step 6: biological cleaning
By the water body of step 5 Air Exposure then into biological purifying tank, biological purifying tank is interior to be provided with biology
It is provided with mounting hole on frame, biological frame in biological pipe, biology pipe and is full of biologic packing material, water body connects with biological pipe one by one
Touch, pass through the microbial cleaning water body in biological pipe；
Step 7: essence filtering
Water body after step 6 is handled is entered in hydraulic jump formula filter from water inlet carries out smart filtering, hydraulic jump formula mistake
Detection head in filter detects water body and met after urban water requirement, send information to controller, and controller will open water storage
The motor-driven valve of tank is opened, and the water after essence filtering is sent into water tank；
Step 8: storage
Rainwater in storage to water tank, then by intelligent water system, is assigned to after the filtering of hydraulic jump formula filter
Each uses water spot, realizes rain water reuse.
Further, in step 2, the water intaking process of device for fetching water includes：
1), start dynamic equipment, drive device for fetching water to be moved at dry point, and more specific location information is fed back by position indicator,
Reach after dry point, stop dynamic equipment, extend the water intaking bar of device for fetching water, the height of fetching tank for water is determined by height sensor, so
The intake of fetching tank for water is opened afterwards, rainwater is entered in fetching tank for water, is treated that level switch detects the water in fetching tank for water and reached
To after standard, the intake of fetching tank for water is closed, the rainwater in fetching tank for water is transported to by detection interior by delivery pipe；
2), clean fetching tank for water with clean clear water, then again extend device for fetching water water intaking bar, by fetching tank for water be put into
At last time different height water level, then repeat the above steps so that fetching tank for water obtains the water at different height water level；
3) after the completion of, treating that the water of dry point herein is detected, dynamic equipment is again started up, drives device for fetching water to be moved to others
Water body detection is carried out at dry point.
Further, water body detection is included in detection interior there is provided separate detection of heavy metal ion room and airborne dust
Angstrom detection of particles room, is respectively delivered to two detection interiors by the detection water body of acquirement and is individually detected that testing result is shown
In control room, after the completion of detection, the indoor planchet of cleaning detection, it is ensured that the accuracy of next testing result, it is to avoid latter
Secondary testing result is influenceed by preceding one-time detection, improves the Stability and veracity of detection.
Further, in a steps of step 3, the angle between hang plate and horizontal plane is 30~60 degree, hang plate from
4~6 pieces are up to laid with down, and metal-precipitator uses lime, NaOH or Na2S。
Further, in the b step of step 3, adsorption plate is laid with 3~7 layers from top to bottom, and the aperture of discharge orifice is φ
20mm~φ 30mm, water inlet water velocity is 0.15m/s~0.20m/s.
Further, in step 6, according to the reaction speed and efficiency of biological purifying tank, by biological pipe on biological frame from
By extracting, increase or reduce biological pipe, to meet the requirement of water body purification.
The hydraulic jump formula filter used in a kind of purification method of urban rainwater described above, including housing, Shang Gai, bottom
Seat, water inlet and delivery port, water inlet and delivery port are located at the bottom and top of housing respectively, and the inside of housing is provided with coaxially
First cartridge filter and the second cartridge filter, the first cartridge filter are located at the lower section of the second cartridge filter, and water inlet passes through water inlet pipe and first
Cartridge filter is connected, and water outlet is provided with test chamber, provided with water inlet end, detection head, controller, the first outlet valve, the in test chamber
Two outlet valves, the first water side and the second water side, the second cartridge filter are provided with outlet pipe, and outlet pipe is connected with water inlet end, the
One water side is connected with delivery port, and the second water side is connected by return duct with water inlet pipe, and the first outlet valve is located at the first water outlet
At end, the second outlet valve is located at the first water side, and controller connects with detection head, the first outlet valve and the second outlet valve respectively
Connect.First cartridge filter and the second cartridge filter carry out double filtration to water body, improve filter effect, after the filtering of the second cartridge filter
Water body enters test chamber and detected, the result detected is sent to controller by detection head, if meeting effluent characteristics, controls
Device processed controls the first outlet valve to open, and the second outlet valve is closed, and water body enters water tank from delivery port and stored, if not being inconsistent
Effluent characteristics are closed, then controller controls the second outlet valve to open, the first outlet valve is closed, water body is re-introduced into by return duct
First cartridge filter and the second cartridge filter carry out filtration treatment.
Further, the outside of housing is provided with observation window.By observation window it is observed that the first cartridge filter and the second filtering
The filtering situation of cylinder, once find that dirty phenomenon is serious on cartridge filter, you can stop using, cartridge filter is cleaned or replaced
Change, to ensure effective filtering of hydraulic jump formula filter.
Further, the inside of housing is additionally provided with chlorination equipment, and chlorination equipment includes disinfection storehouse and sterilamp, and sterilamp is placed in
In disinfection storehouse, disinfection storehouse uses transparent material.Water body is carried out disinfection processing, increased water quality by chlorination equipment.
The present invention is by adopting the above-described technical solution, have the advantages that：
1st, by funnel shaped rain trap, it is easy to collect the rainwater of earth's surface, and by the drainage of drainage trough, improves and receive
Collect the accuracy and agility of rainwater, the filter screen of setting is tentatively filtered to early-stage rainwater, prevents fallen leaves, polybag etc.
Rubbish is entered in rain trap, and the pricker of setting is crushed to the large particulate matter carried secretly in early-stage rainwater again, becomes it
Obtain tiny, it is to avoid block collection conduit, reduce the impurity flowed into collecting pit, be easy to the water treatment in later stage；
2nd, the rainwater at multiple different dry points is gathered, the water quality to rainwater is detected, improves the accuracy of detection,
And different processing methods are taken respectively for the different quality detected, handle with strong points, effect is more preferable, so as to effectively carry
The efficiency of high disposal, reduces resource, the waste of manpower, the saving time, reduces cost；
3rd, rainwater is fallen from hang plate staggeredly, and extension rainwater is flowed into the time in heavy metal precipitation pond, the burr of setting
Not only delay the reaction time of the fall time of rainwater, increase rainwater and metal-precipitator, also block the partial impurities in rainwater
Cut, reduce the polluter dropped into heavy metal precipitation pond, while by the stirring action of agitating device, expanding rainwater and gold
Belong to the contact area of precipitating reagent, improve reaction effect；
4th, rainwater enters dust sedimentation basin, and adsorption plate plays a part of dust particle in absorption rainwater, while passing through ripple
The design of shape wave, plays the contact area of certain choked flow effect, increase rainwater and adsorption plate, improves adsorption efficiency, rotation spray
The sprinkling medicament area of head is wider, evenly.
5th, a big chunk pollutant can cause the acidifying of rainwater in rainwater, it is therefore desirable to the tune of acid-base value is carried out to rainwater
Section, makes it keep in the range of adapting to, is adapted to the routine use of people, can be to each water by agitating paddle moving up and down
Layer is stirred, and accelerates the reaction speed of medicament and rainwater；
6th, in Air Exposure pond by aeration tube, three kinds of modes of micro bubble releasing device and mechanical impellor respectively in each water
Air Exposure is carried out to water body on layer, the scope and efficiency of aeration are substantially increased, while can also be selected according to actual conditions
Property using one of which or two kinds progress Air Exposures, make Air Exposure more targeted；
7th, biological cleaning is carried out by biological purifying tank, it is possible to according to the reaction speed and efficiency of biological purifying tank, will
Biological pipe is freely extracted on biological frame, is increased or is reduced biological pipe, to meet the requirement of water body purification；Pass through hydraulic jump formula mistake
Filter carries out last processing, and water outlet is detected, only qualified water body can be sent to progress in water tank
Storage, it is ensured that the quality of water body in water tank.
It is of the invention abundant by rainwater-collecting, on the premise of city prevention waterlogging safety is ensured, using the precipitation method by rainwater
Metal ion, dust particle are removed, and are adjusted the acid-base property of rainwater by the processing of acid-base value, are passed through aeration, biological cleaning and essence
Filtering, thoroughly by rainwater purification, is handled using multiple means, and collection of the rainwater in city scope is realized to greatest extent, is oozed
Thoroughly, purify and utilize, can effectively alleviate and reduce the pressure of urban waterlogging, purification efficiency is high, effectively improves the rain after processing
Water water quality, promotes the utilization of rainwater resource, meets the requirement of sponge urban construction.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of flow chart of the purification method of urban rainwater of the invention；
Fig. 2 is a kind of structural representation of the purification method of urban rainwater of the invention；
Fig. 3 is the internal structure schematic diagram of adsorption plate in the present invention；
Fig. 4 is the structural representation of biological frame in the present invention；
Fig. 5 is the internal structure schematic diagram of hydraulic jump formula filter in the present invention；
Fig. 6 is the external structure schematic diagram of hydraulic jump formula filter in the present invention.
Reference：1st, rain trap；11st, pricker；12nd, collection conduit；2nd, collecting pit；21st, passage one；22nd, passage two；
31st, heavy metal precipitation pond；32nd, hang plate；33rd, the first charging valve；34th, agitating device；35th, dust sedimentation basin；36th, adsorption plate；
37th, discharge orifice；38th, the second charging valve；39th, rotary nozzle；41st, passage three；42nd, soda acid processing pond；43rd, alkaline control valve；44、
Agitating shaft；45th, agitating paddle；46th, acid control valve；5th, Air Exposure pond；51st, air blower；52nd, aeration tube；53rd, aeration spray head；
54th, track；55th, micro bubble releasing device；56th, mechanical impellor；6th, biological purifying tank；61st, biological frame；62nd, mounting hole；63rd, it is biological
Pipe；7th, hydraulic jump formula filter；71st, housing；72nd, upper lid；73rd, base；74th, water inlet；75th, delivery port；76th, the first cartridge filter；
761st, water inlet pipe；77th, the second cartridge filter；771st, outlet pipe；78th, observation window；8th, test chamber；81st, water inlet end；82nd, detection head；
83rd, controller；84th, the first outlet valve；85th, the second outlet valve；851st, return duct；86th, chlorination equipment；87th, disinfection storehouse；88th, disappear
Malicious lamp；9th, water tank.
Embodiment
As shown in figures 1 to 6, it is a kind of purification method of urban rainwater of the invention, comprises the following steps：
Step 1: rainwater-collecting
The early-stage rainwater dropped on ground enters funnel shaped rain trap 1 along drainage trough and is collected, rain trap 1
On filter screen first rainwater is tentatively filtered, remove the pricker 11 in fallen leaves, the rubbish carried secretly in rainwater, rain trap 1
The particulate matter in the rainwater after preliminary filtering is crushed again, then rainwater is by rain trap 1, along collection conduit 12
It is flowed into collecting pit 2；By funnel shaped rain trap 1, it is easy to collect the rainwater of earth's surface, and make by the drainage of drainage trough
With the accuracy and agility of rainwater are collected in raising, and the filter screen of setting is tentatively filtered to early-stage rainwater, anti-falling stop
The rubbish such as leaf, polybag are entered in rain trap 1, and the pricker 11 of setting enters to the large particulate matter carried secretly in early-stage rainwater again
Row is crushed, and it is become tiny, it is to avoid block collection conduit 12, is reduced the impurity flowed into collecting pit 2, is easy to the water quality in later stage
Processing.
Step 2: rainwater is detected
Using device for fetching water, at least the rainwater of different azimuth and different height is detected everywhere in collection collecting pit 2；Collection
Rainwater at multiple different dry points, the water quality to rainwater is detected, improves the accuracy of detection, and be directed to what is detected
Different quality takes different processing methods respectively, handles with strong points, effect is more preferable, so that the efficiency of processing is effectively improved,
Resource, the waste of manpower are reduced, the saving time, cost is reduced.
The water intaking process of device for fetching water includes：
1), start dynamic equipment, drive device for fetching water to be moved at dry point, and more specific location information is fed back by position indicator,
Reach after dry point, stop dynamic equipment, extend the water intaking bar of device for fetching water, the height of fetching tank for water is determined by height sensor, so
The intake of fetching tank for water is opened afterwards, rainwater is entered in fetching tank for water, is treated that level switch detects the water in fetching tank for water and reached
To after standard, the intake of fetching tank for water is closed, the rainwater in fetching tank for water is transported to by detection interior by delivery pipe；
2), clean fetching tank for water with clean clear water, then again extend device for fetching water water intaking bar, by fetching tank for water be put into
At last time different height water level, then repeat the above steps so that fetching tank for water obtains the water at different height water level；
3) after the completion of, treating that the water of dry point herein is detected, dynamic equipment is again started up, drives device for fetching water to be moved to others
Water body detection is carried out at dry point.
It is indoor there is provided separate detection of heavy metal ion room and suspended dust particle that water body detection is included in detection
Sensing chamber, is respectively delivered to two detection interiors by the detection water body of acquirement and is individually detected that testing result is shown in control
In room, after the completion of detection, the indoor planchet of cleaning detection, it is ensured that the accuracy of next testing result, it is to avoid after inspection once
Survey result is influenceed by preceding one-time detection, improves the Stability and veracity of detection.
Step 3: precipitation process
A, when detect the heavy metal ion in water body beyond standard when, open passage 1, by the rainwater in collecting pit 2
Heavy metal precipitation pond 31 is passed into, rainwater is entered in heavy metal precipitation pond 31 along interlaced hang plate 32, hang plate
The burr set on 32 plays interception function to rainwater, then opens the first charging valve 33, is added into heavy metal precipitation pond 31
Metal-precipitator, while the agitating device 34 for starting the bottom of heavy metal precipitation pond 31 is stirred, goes heavy metal formation precipitation
Remove, the extent of injury of the reduction heavy metal to water body；Angle between hang plate 32 and horizontal plane is 30~60 degree, hang plate 32 from
4~6 pieces are up to laid with down, and metal-precipitator uses lime, NaOH or Na2S.Rainwater is fallen from hang plate 32 staggeredly,
Extension rainwater is flowed into the time in heavy metal precipitation pond 31, and the burr of setting not only delays the fall time of rainwater, increases rainwater
With the reaction time of metal-precipitator, also by rainwater partial impurities intercept, reduction drop into heavy metal precipitation pond 31
Polluter, while by the stirring action of agitating device 34, expanding the contact area of rainwater and metal-precipitator, improves reaction
Effect.
B, when detect the suspended dust particle in rainwater beyond standard when, open passage 2 22, by the rain in collecting pit 2
Water is passed into dust sedimentation basin 35, and the rainwater for entering dust sedimentation basin 35 is corrugated with the upper strata of dust sedimentation basin 35 first
Adsorption plate 36 is contacted, and suspended dust particle absorption in rainwater is gone to eliminate the unusual smell and heterochromatic, current by the adsorbent on adsorption plate 36
The lower floor of dust sedimentation basin 35 is then entered by the discharge orifice 37 on adsorption plate 36, the second charging valve of lower floor is then opened
38, coagulant, coagulant and the suspension and colloid in water body are added to the lower floor of dust sedimentation basin 35 by rotary nozzle 39
Impurity reacts, and the reaction time is 30min, forms sediment and sinks；Adsorption plate 36 is laid with 3~7 layers, discharge orifice 37 from top to bottom
Aperture be φ 20mm~φ 30mm, water inlet water velocity be 0.15m/s~0.20m/s.Rainwater enters dust sedimentation basin 35,
Adsorption plate 36 plays a part of dust particle in absorption rainwater, while by corrugated design, certain choked flow effect is played,
Increase the contact area of rainwater and adsorption plate 36, improve adsorption efficiency, the sprinkling medicament area of rotary nozzle 39 is wider, more
It is even.
Step 4: acid-base value is handled
A, opening passage 3 41, the water body handled by step 3 is passed into soda acid processing pond 42, passes through acidometer
Measure the pH value of the water body in soda acid processing pond 42；
If b, testing result are shown as acid, alkaline control valve 43 is opened by control system, is passed through and is adapted with rainwater
Alkaline agent, the alkaline agent of addition is Na2CO3、NaHCO3Or lime, then start agitator, while will be moved down on agitating shaft 44
It is dynamic, so as to drive agitating paddle 45 to stir after whole water layer, reaction 20min, water body is gathered again, is detected, if testing result
Still without the standard that reaches, then above-mentioned steps are carried out again, until testing result meets standard；
If c, testing result are shown as alkalescence, acid control valve 46 is opened by control system, according to the rainwater being passed through
Amount adds the sour agent being adapted with rainwater, then starts agitator, while agitating shaft 44 is moved up and down, so as to drive agitating paddle
After the 45 whole water layers of agitation, reaction 20min, water body is gathered again, is detected, if testing result is still without reaching standard,
Above-mentioned steps are carried out again, until testing result meets standard.A big chunk pollutant can cause the acidifying of rainwater in rainwater,
Therefore need to carry out rainwater the regulation of acid-base value, it is kept in the range of adapting to, be adapted to the routine use of people, by can
The agitating paddle 45 moved up and down, can be stirred to each water layer, accelerate the reaction speed of medicament and rainwater.
Step 5: Air Exposure
A, the water body for handling process step 4 are passed into Air Exposure pond 5, are started air blower 51, are passed through aeration tube 52
Gas is passed through from top to bottom to water body with aeration spray head 53, while aeration tube 52 is also along the track 54 for being laid on aeration tank bottom
It is mobile, expand the scope of aeration；
B, the release bubble of micro bubble releasing device 55 of aeration tank bottom；
C, the mechanical impellor 56 on aeration tank top are rotated, the water body in agitation aeration tank, the oxygen in air is dissolved in water,
Promote waste water in pond constantly to circulate, constantly update gas-liquid contact face to increase oxygen absorbed；
Existed respectively by aeration tube 52,56 3 kinds of modes of micro bubble releasing device 55 and mechanical impellor in Air Exposure pond 5
Air Exposure is carried out to water body on each water layer, the scope and efficiency of aeration are substantially increased, while can also be according to actual feelings
Condition optionally using one of which or two kinds of progress Air Exposures, makes Air Exposure more targeted.
Step 6: biological cleaning
By the water body of step 5 Air Exposure then into biological purifying tank 6, biological purifying tank 6 is interior to be provided with biology
Be provided with biological pipe 63 at mounting hole 62 on frame 61, biological frame 61, be full of biologic packing material in biological pipe 63, water body one by one with life
Property management 63 is in contact, and passes through the microbial cleaning water body in biological pipe 63；Can also according to the reaction speed of biological purifying tank 6 and
Efficiency, biological pipe 63 is freely extracted on biological frame 61, is increased or is reduced biological pipe 63, to meet wanting for water body purification
Ask.
Step 7: essence filtering
Water body after step 6 is handled is entered in hydraulic jump formula filter 7 from water inlet 74 carries out smart filtering, hydraulic jump
Detection head 82 in formula filter 7 detects water body and met after urban water requirement, send information to controller 83, controller 83
The motor-driven valve for opening water tank 9 is opened, the water after essence filtering is sent to water tank 9；Carried out most by hydraulic jump formula filter 7
Processing afterwards, and water outlet is detected, only qualified water body can be sent in water tank 9 and be stored, it is ensured that
The quality of water body in water tank 9.
Step 8: storage
Rainwater is after the filtering of hydraulic jump formula filter 7, in storage to water tank 9, then by intelligent water system, distribution
Water spot is used to each, rain water reuse is realized.
The hydraulic jump formula filter 7 used in a kind of purification method of urban rainwater described above, including housing 71, upper lid
72nd, base 73, water inlet 74 and delivery port 75, water inlet 74 and delivery port 75 are located at the bottom and top of housing 71, shell respectively
The inside of body 71 is located at the second cartridge filter 77 provided with coaxial the first cartridge filter 76 and the second cartridge filter 77, the first cartridge filter 76
Lower section, water inlet 74 is connected by water inlet pipe 761 with the first cartridge filter 76, is provided with delivery port 75 in test chamber 8, test chamber 8
Provided with water inlet end 81, detection head 82, controller 83, the first outlet valve 84, the second outlet valve 85, the first water side and the second water outlet
End, the second cartridge filter 77 is provided with outlet pipe 771, and outlet pipe 771 is connected with water inlet end 81, and the first water side connects with delivery port 75
Connect, the second water side is connected by return duct 851 with water inlet pipe 761, the first outlet valve 84 is located at the first water side, and second goes out
Water valve 85 is located at the first water side, and controller 83 is connected with detection head 82, the first outlet valve 84 and the second outlet valve 85 respectively.
First cartridge filter 76 and the second cartridge filter 77 carry out double filtration to water body, improve filter effect, are filtered from the second cartridge filter 77
Water body afterwards enters test chamber 8 and detected, the result detected is sent to controller 83 by detection head 82, if meeting water outlet
Quality, then controller 83 control the first outlet valve 84 open, the second outlet valve 85 is closed, and water body enters water storage from delivery port 75
Tank 9 is stored, if not meeting effluent characteristics, and controller 83 controls the second outlet valve 85 to open, and the first outlet valve 84 is closed,
Water body is re-introduced into the first cartridge filter 76 by return duct 851 and the second cartridge filter 77 carries out filtration treatment.
The outside of housing 71 is provided with observation window 78.By observation window 78 it is observed that the first cartridge filter 76 and the second filtering
The filtering situation of cylinder 77, once find that dirty phenomenon is serious on cartridge filter, you can stop using, cartridge filter is cleaned or
Replace, to ensure effective filtering of hydraulic jump formula filter 7.The inside of housing 71 is additionally provided with chlorination equipment 86, and chlorination equipment 86 is wrapped
Disinfection storehouse 87 and sterilamp 88 are included, sterilamp 88 is placed in disinfection storehouse 87, and disinfection storehouse 87 uses transparent material.Disinfection storehouse 87 is used for
Sterilamp 88 is protected, water body is carried out disinfection processing, increased water quality by chlorination equipment 86.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technique effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (9)
1. a kind of purification method of urban rainwater, it is characterised in that：Comprise the following steps：
Step 1: rainwater-collecting
The early-stage rainwater dropped on ground enters funnel shaped rain trap along drainage trough and is collected, the mistake on rain trap
Screen net is first tentatively filtered rainwater, and the pricker removed in fallen leaves, the rubbish carried secretly in rainwater, rain trap again will be preliminary
The particulate matter in rainwater after filtering is crushed, and then rainwater is flowed into collecting pit by rain trap along collection conduit
It is interior；
Step 2: rainwater is detected
Using device for fetching water, at least the rainwater of different azimuth and different height is detected everywhere in collection collecting pit；
Step 3: precipitation process
A, when detect the heavy metal ion in water body beyond standard when, open passage one, the rainwater in collecting pit is passed into
Heavy metal precipitation pond, rainwater is entered in heavy metal precipitation pond along interlaced hang plate, the burr set on hang plate
Interception function is played to rainwater, the first charging valve is then opened, metal-precipitator is added into heavy metal precipitation pond, is started simultaneously
The agitating device in heavy metal precipitation bottom of pond portion is stirred, and removes heavy metal formation precipitation, danger of the reduction heavy metal to water body
Evil degree；
B, when detect the suspended dust particle in rainwater beyond standard when, open passage two, the rainwater in collecting pit is passed through
To dust sedimentation basin, enter corrugated adsorption plate of the rainwater of dust sedimentation basin first with dust sedimentation basin upper strata and contact,
Adsorbent on adsorption plate by suspended dust particle absorption in rainwater, and go to eliminate the unusual smell with it is heterochromatic, current are then by adsorption plate
Discharge orifice enter the lower floor of dust sedimentation basin, then open the second charging valve of lower floor, it is heavy to dust by rotary nozzle
The lower floor in shallow lake pond adds coagulant, and coagulant reacts with the suspension and colloidal impurity in water body, and the reaction time is 30min, shape
Sink into sediment；
Step 4: acid-base value is handled
A, opening passage three, the water body handled by step 3 is passed into soda acid processing pond, soda acid is measured by acidometer
The pH value of water body in processing pond；
If b, testing result is shown as acid, alkaline control valve is opened by control system, the alkaline agent being adapted with rainwater is passed through,
The alkaline agent of addition is Na2CO3、NaHCO3Or lime, then start agitator, while agitating shaft is moved up and down, so as to drive
Agitating paddle is stirred after whole water layer, reaction 20min, and water body is gathered again, is detected, if testing result is still without reaching mark
Standard, then carry out above-mentioned steps again, until testing result meets standard；
If c, testing result are shown as alkalescence, acid control valve is opened by control system, added according to the amount for the rainwater being passed through
The sour agent being adapted with rainwater, then starts agitator, while agitating shaft is moved up and down, so as to drive agitating paddle agitation whole
After water layer, reaction 20min, water body is gathered again, is detected, if testing result is still without the standard that reaches, carry out again
Step is stated, until testing result meets standard；
Step 5: Air Exposure
A, by by step 4 handle water body be passed into Air Exposure pond, start air blower, pass through aeration tube and aeration spray
Head is passed through gas from top to bottom to water body, while aeration tube is moved also along the track for being laid on aeration tank bottom, expands aeration
Scope；
B, the micro bubble releasing device release bubble of aeration tank bottom；
C, the mechanical impellor on aeration tank top are rotated, and the water body in agitation aeration tank makes the oxygen in air dissolve in water, promotes pond
Interior waste water is constantly circulated, and constantly updates gas-liquid contact face to increase oxygen absorbed；
Step 6: biological cleaning
By the water body of step 5 Air Exposure then into biological purifying tank, biological purifying tank is interior to be provided with biological frame, life
It is provided with mounting hole in rack in biological pipe, biology pipe and is full of biologic packing material, water body is in contact with biological pipe, passed through one by one
Microbial cleaning water body in biological pipe；
Step 7: essence filtering
Water body after step 6 is handled is entered in hydraulic jump formula filter from water inlet carries out smart filtering, hydraulic jump formula filter
Interior detection head detects water body and met after urban water requirement, send information to controller, and controller will open water tank
Motor-driven valve is opened, and the water after essence filtering is sent into water tank；
Step 8: storage
Rainwater in storage to water tank, then by intelligent water system, is assigned to each after the filtering of hydraulic jump formula filter
With water spot, rain water reuse is realized.
2. a kind of purification method of urban rainwater according to claim 1, it is characterised in that：In step 2, device for fetching water
Water intaking process include：
1), start dynamic equipment, drive device for fetching water to be moved at dry point, and more specific location information is fed back by position indicator, reach
After dry point, stop dynamic equipment, extend the water intaking bar of device for fetching water, the height of fetching tank for water is determined by height sensor, is then beaten
The intake of fetching tank for water is opened, rainwater is entered in fetching tank for water, treats that level switch detects the water in fetching tank for water and reaches mark
After standard, the intake of fetching tank for water is closed, the rainwater in fetching tank for water is transported to by detection interior by delivery pipe；
2) fetching tank for water, is cleaned with clean clear water, the water intaking bar of device for fetching water is then extended again, fetching tank for water is put into and last time
At different height water levels, then repeat the above steps so that fetching tank for water obtains the water at different height water level；
3) after the completion of, treating that the water of dry point herein is detected, dynamic equipment is again started up, drives device for fetching water to be moved to other water intakings
Water body detection is carried out at point.
3. a kind of purification method of urban rainwater according to claim 2, it is characterised in that：Water body detection is included in detection
Interior is provided with separate detection of heavy metal ion room and suspended dust detection of particles room, and the detection water body of acquirement is distinguished
It is transported to two detection interiors and is individually detected that testing result is shown in control room, after the completion of detection, cleaning detection is indoor
Planchet, it is ensured that the accuracy of next testing result, it is to avoid after testing result once influenceed by preceding one-time detection, carry
The Stability and veracity of high detection.
4. a kind of purification method of urban rainwater according to claim 1, it is characterised in that：In a steps of step 3,
Angle between hang plate and horizontal plane is 30~60 degree, and hang plate is laid with 4~6 pieces from top to bottom, and metal-precipitator is used
Lime, NaOH or Na2S。
5. a kind of purification method of urban rainwater according to claim 1, it is characterised in that：In the b step of step 3,
Adsorption plate is laid with 3~7 layers from top to bottom, and the aperture of discharge orifice is φ 20mm~φ 30mm, and water inlet water velocity is 0.15m/s
~0.20m/s.
6. a kind of purification method of urban rainwater according to claim 1, it is characterised in that：In step 6, according to life
The reaction speed and efficiency of thing clarifier-tank, biological pipe is freely extracted on biological frame, is increased or is reduced biological pipe, to meet
The requirement of water body purification.
7. the hydraulic jump formula filter used in a kind of purification method of urban rainwater as claimed in claim 1, including housing, on
Lid, base, water inlet and delivery port, the water inlet and the delivery port are located at the bottom and top of the housing respectively, its
It is characterised by：The inside of the housing is located at institute provided with coaxial the first cartridge filter and the second cartridge filter, first cartridge filter
The lower section of the second cartridge filter is stated, the water inlet is connected by water inlet pipe with first cartridge filter, and the water outlet is provided with
Water inlet end, detection head, controller, the first outlet valve, the second outlet valve, the first water side are provided with test chamber, the test chamber
With the second water side, second cartridge filter is provided with outlet pipe, and the outlet pipe is connected with the water inlet end, and described first goes out
Water end (W.E.) is connected with the delivery port, and second water side is connected by return duct with the water inlet pipe, first outlet valve
At first water side, second outlet valve be located at first water side at, the controller respectively with it is described
Detection head, first outlet valve and second outlet valve connection.
8. a kind of hydraulic jump formula filter according to claim 7, it is characterised in that：The outside of the housing is provided with observation
Window.
9. a kind of hydraulic jump formula filter according to claim 7, it is characterised in that：The inside of the housing is additionally provided with sterilization
Device, the chlorination equipment includes disinfection storehouse and sterilamp, and the sterilamp is placed in the disinfection storehouse, and the disinfection storehouse is used
Transparent material.
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| CN201710158932.2A CN107010780B (en) | 2017-03-16 | 2017-03-16 | urban rainwater purification method and hydraulic filter used by same |
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|---|---|---|---|
| CN201710158932.2A CN107010780B (en) | 2017-03-16 | 2017-03-16 | urban rainwater purification method and hydraulic filter used by same |
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| CN107010780B CN107010780B (en) | 2019-12-06 |
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| CN107651795A (en) * | 2017-09-15 | 2018-02-02 | 江苏龙环环境科技有限公司 | A kind of rainwater-collecting purifier and its purification method |
| CN107879528A (en) * | 2017-10-26 | 2018-04-06 | 郑州莉迪亚医药科技有限公司 | Novel household rainwater-collecting purifier |
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| CN107651795A (en) * | 2017-09-15 | 2018-02-02 | 江苏龙环环境科技有限公司 | A kind of rainwater-collecting purifier and its purification method |
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| PL422995A1 (en) * | 2017-09-28 | 2019-04-08 | Stasiełuk Dorota Stacja Paliw | Rainwater and snowmelt treatment system |
| PL238018B1 (en) * | 2017-09-28 | 2021-06-28 | Stasieluk Dorota Stacja Paliw | Rainwater and snowmelt treatment system |
| CN107879528A (en) * | 2017-10-26 | 2018-04-06 | 郑州莉迪亚医药科技有限公司 | Novel household rainwater-collecting purifier |
| CN108423899A (en) * | 2018-04-12 | 2018-08-21 | 中国农业科学院农田灌溉研究所 | A kind of purification method of river sewage efficient process for irrigation |
| CN108821470A (en) * | 2018-06-28 | 2018-11-16 | 湖州同成环境科技有限公司 | A kind of deep purification of waste water device |
| CN108821470B (en) * | 2018-06-28 | 2021-10-15 | 湖州同成环境科技有限公司 | Deep sewage purification device |
| CN108996757A (en) * | 2018-08-22 | 2018-12-14 | 苏州富特尼水务工程有限公司 | Rain water on roof recovery processing technique |
| CN109354258A (en) * | 2018-12-07 | 2019-02-19 | 南京冉冉环保科技有限公司 | A kind of landscape pond water purification system and its purification method |
| CN110075609A (en) * | 2019-04-30 | 2019-08-02 | 中国水利水电科学研究院 | A kind of rainwater-collecting level cleaning treatment system and method |
| CN110075609B (en) * | 2019-04-30 | 2020-06-05 | 中国水利水电科学研究院 | Rainwater collection level purification treatment system and method |
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| CN110255790B (en) * | 2019-06-26 | 2022-02-01 | 安徽维诚水务科技有限公司 | Purification and reuse system for rainwater collection |
| CN110685347A (en) * | 2019-08-28 | 2020-01-14 | 武汉天垦建设有限公司 | Urban rainwater collecting and processing system |
| CN110530862A (en) * | 2019-09-28 | 2019-12-03 | 潍坊鱼贝文具有限公司 | A kind of automatic detection rainwater pH value equipment |
| CN111576260A (en) * | 2020-05-11 | 2020-08-25 | 中国电建集团华东勘测设计研究院有限公司 | Integrated management device for rainwater drainage before hidden culvert and drainage management method thereof |
| CN111576260B (en) * | 2020-05-11 | 2021-12-28 | 中国电建集团华东勘测设计研究院有限公司 | Integrated management device for rainwater drainage before hidden culvert and drainage management method thereof |
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| CN114560601A (en) * | 2022-03-21 | 2022-05-31 | 绍兴春润环境工程有限公司 | Rainwater collecting, treating and lifting process |
| CN115059019A (en) * | 2022-07-13 | 2022-09-16 | 重庆图强工程技术咨询有限公司 | Water and soil conservation method based on ecological reservoir |
| CN116444104A (en) * | 2023-06-15 | 2023-07-18 | 福州市规划设计研究院集团有限公司 | Laboratory wastewater treatment equipment based on CASS technology and use method |
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| CN116606045A (en) * | 2023-07-20 | 2023-08-18 | 济宁大韵农业科技有限公司 | Rainwater recycling system and method suitable for landscape architecture |
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